Age-related changes in the human lens: A comparison of Scheimpflug photography and lens density index

Marc E. Bosem; Pamela A. Sample; Genaro A. Martinez; Moshe Lusky; Robert N. Weinreb

doi:10.1016/S0886-3350(13)80047-8

Age-related changes in the human lens: A comparison of Scheimpflug photography and lens density index

Marc E. Bosem, Pamela A. Sample, Genaro A. Martinez, Moshe Lusky, Robert N. Weinreb^*

^*Corresponding author for this work

University of California at San Diego

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Two quantitative techniques, Scheimpflug photography and the lens density index (LDI), were used to measure lens density in 52 patients. In the Scheimpflug technique, a digitized slitlamp camera provides peak and average nuclear density based on a densitometric analysis of the lens nucleus. The LDI is a psychophysical measurement of the difference between retinal scotopic thresholds for two wavelengths of light. Both the Scheimpflug technique and LDI revealed an age-related increase in lens density. Peak and average nuclear density were highly correlated with the LDI.

Original language	English
Pages (from-to)	70-73
Number of pages	4
Journal	Journal of Cataract and Refractive Surgery
Volume	20
Issue number	1
DOIs	https://doi.org/10.1016/S0886-3350(13)80047-8
State	Published - 1994
Externally published	Yes

Keywords

Scheimpflug photography
cataract
lens density index
quantitative

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10.1016/S0886-3350(13)80047-8

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abstract = "Two quantitative techniques, Scheimpflug photography and the lens density index (LDI), were used to measure lens density in 52 patients. In the Scheimpflug technique, a digitized slitlamp camera provides peak and average nuclear density based on a densitometric analysis of the lens nucleus. The LDI is a psychophysical measurement of the difference between retinal scotopic thresholds for two wavelengths of light. Both the Scheimpflug technique and LDI revealed an age-related increase in lens density. Peak and average nuclear density were highly correlated with the LDI.",

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AU - Lusky, Moshe

AU - Weinreb, Robert N.

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AB - Two quantitative techniques, Scheimpflug photography and the lens density index (LDI), were used to measure lens density in 52 patients. In the Scheimpflug technique, a digitized slitlamp camera provides peak and average nuclear density based on a densitometric analysis of the lens nucleus. The LDI is a psychophysical measurement of the difference between retinal scotopic thresholds for two wavelengths of light. Both the Scheimpflug technique and LDI revealed an age-related increase in lens density. Peak and average nuclear density were highly correlated with the LDI.

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Age-related changes in the human lens: A comparison of Scheimpflug photography and lens density index

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